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| author | Rob Clark <robdclark@gmail.com> | 2016-09-28 19:58:32 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-11-27 11:23:09 -0500 |
| commit | 667ce33e57d0de4074a8fb62d24daeefd03f6333 (patch) | |
| tree | 414dba9fe67904d17057eedfa8a44d651dd67a31 /drivers/gpu/drm/msm/adreno | |
| parent | 394da4b8f37e6ceceed68821957de5fc9e22b69b (diff) | |
| download | op-kernel-dev-667ce33e57d0de4074a8fb62d24daeefd03f6333.zip op-kernel-dev-667ce33e57d0de4074a8fb62d24daeefd03f6333.tar.gz | |
drm/msm: support multiple address spaces
We can have various combinations of 64b and 32b address space, ie. 64b
CPU but 32b display and gpu, or 64b CPU and GPU but 32b display. So
best to decouple the device iova's from mmap offset.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index fd266ed..156abf0 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -583,7 +583,7 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev) #endif } - if (!gpu->mmu) { + if (!gpu->aspace) { /* TODO we think it is possible to configure the GPU to * restrict access to VRAM carveout. But the required * registers are unknown. For now just bail out and diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index d0d3c7b..2dc9412 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -672,7 +672,7 @@ struct msm_gpu *a4xx_gpu_init(struct drm_device *dev) #endif } - if (!gpu->mmu) { + if (!gpu->aspace) { /* TODO we think it is possible to configure the GPU to * restrict access to VRAM carveout. But the required * registers are unknown. For now just bail out and diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index f386f46..b468d2a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -381,7 +381,7 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return ret; } - mmu = gpu->mmu; + mmu = gpu->aspace->mmu; if (mmu) { ret = mmu->funcs->attach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports)); |
